
3RA6400-1DB42 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $149.99 | Condition is Used, SIEMENS SIRIUS 3RA6400-1DB42 MANUAL MOTOR CONTROLLER 600V 12FLA 168AMP NICE M/O, shipping cost = $55.30 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $514.79 | Top Pick! Condition is New – Open box, Siemens Sirius 3RA6400-1DB42 Compact Branch Direct Starter, shipping cost = $76.05 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $464.19 | Top Pick! Condition is Neu: Sonstige (siehe Artikelbeschreibung), Siemens Sirius 3RA6400-1DB42 Compact Junction Direct Starter, shipping cost = $75.43 | 100.0% |

The Siemens 3RA6400-1DB42 Sirius Junction Starter is a high-performance automotive starter designed for reliable and efficient engine starting. This starter is part of Siemens' Sirius portfolio, which is known for its advanced technology and superior quality.
The 3RA6400-1DB42 is a compact junction starter, which means it combines the functions of a traditional starter motor and a solenoid into a single, space-saving unit. It features a powerful permanent magnet motor, which delivers quick and powerful engine starting. The motor is also designed for long life and durability, with robust construction and high-quality materials.
This starter is also equipped with an intelligent electronic control unit (ECU), which ensures optimal starter performance and reliability. The ECU continuously monitors the starter motor and battery voltage, and adapts the starting process accordingly to ensure the best possible starting experience. The ECU also includes advanced diagnostic functions, which can help identify and troubleshoot any issues with the starter or battery.
The Siemens 3RA6400-1DB42 Sirius Junction Starter is designed to be easy to install, with a plug-and-play connector system that simplifies wiring and reduces installation time. It is also compatible with a wide range of vehicle makes and models, making it a versatile solution for many automotive applications.
In summary, the Siemens 3RA6400-1DB42 Sirius Junction Starter is a high-performance, compact, and intelligent starter solution that delivers reliable and efficient engine starting. Its advanced technology, durable construction, and easy installation make it an excellent choice for a wide range of automotive applications.
The Siemens SIorus Junction Starter 3RA6400-1DB42 is a widely used component in industrial automation applications. Like any other electrical equipment, it has its advantages and disadvantages. Here's a detailed analysis of both:
Advantages:1. High Reliability: Siemens is a renowned brand in the electrical equipment industry, and its products, including the 3RA6400-1DB42, are known for their durability and reliability.
2. Versatility: This starter can be used in various applications, including AC and DC motors, pumps, fans, and compressors. It is also suitable for both single-phase and three-phase power systems.
3. Easy Installation: The starter comes with a user-friendly design, making it easy to install and commission. It also has a plug-in terminal block, which simplifies wiring.
4. Safety Features: The 3RA6400-1DB42 comes with built-in safety features such as overload protection, overvoltage protection, and short-circuit protection, ensuring safe operation.
5. Energy Efficiency: The starter's energy-saving mode reduces power consumption during standby, making it an eco-friendly option.
Disadvantages:1. Cost: Compared to other starters in the market, the Siemens 3RA6400-1DB42 can be quite expensive.
2. Complexity: Although the starter is easy to install, its features and functionalities may require a certain level of technical expertise to operate and maintain effectively.
3. Size: The starter is larger than some other options in the market, which may limit its use in space-constrained applications.
In conclusion, the Siemens SIorus Junction Starter 3RA6400-1DB42 offers several advantages, including high reliability, versatility, easy installation, safety features, and energy efficiency. However, its disadvantages, such as cost, complexity, and size, may make it less suitable for some applications.
Recommendation:If reliability, versatility, and safety are top priorities in your application, and you have the necessary budget and technical expertise, the Siemens 3RA6400-1DB42 is an excellent choice. However, if cost is a significant concern or your application is space-constrained, you may want to consider alternative options with similar features but at a lower price point.
Details:
This starter is designed for industrial automation and motion control applications, providing reliable efficient motor various industries. With the brands reputation for excellence and specific model's compatibility with a range of motor control needs, Siemens sirius 3RA6400-1DB42 compact junction direct starter is valuable asset businesses seeking precise dependable motion solutions. The Siemens sirius 3RA6400-1DB42 compact junction direct starter is a high-quality motor control product manufactured by in germany.
specifications indumotorol:
- brand: Siemens
- mpn: 3ra6400-1db42
- part type: Starter
- country of origin: Germany
shipping indumotorol:
- class: standard
- type: calculated
- carrier: usps
- service: usps ground advantage
- transit: 5-11 days
seller indumotorol:
- # reviews: 359
- rating: 98.7%
- city: pleasanton, california
payments indumotorol:
- other
- wallet: paypal
- credit card: visa
general indumotorol:
- category: Business & Industrial > Starters > Drives > Motor Controls
returns indumotorol:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer
offer indumotorol:
- started: february 19, 2026
- sold #: 15
- best offers: true
- in stock #: 3
- options: ship-to-home
- availability: in stock
- prices: $149.99–$514.79
- item condition:
- Used
- New – Open box
- Neu: Sonstige (siehe Artikelbeschreibung)
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